JPH02124535U - - Google Patents

Info

Publication number
JPH02124535U
JPH02124535U JP3325589U JP3325589U JPH02124535U JP H02124535 U JPH02124535 U JP H02124535U JP 3325589 U JP3325589 U JP 3325589U JP 3325589 U JP3325589 U JP 3325589U JP H02124535 U JPH02124535 U JP H02124535U
Authority
JP
Japan
Prior art keywords
opening
dust detector
space block
purge
light emitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3325589U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3325589U priority Critical patent/JPH02124535U/ja
Publication of JPH02124535U publication Critical patent/JPH02124535U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の粉塵検知器の具体的な態様
を示す断面図である。図中、１は通気管、２およ
び３は開口部、４は発光素子、５は受光素子、６
およびは７はパージ用スペースブロツク、８は発
光面、９は受光面、１０は給気孔、１１は排気孔
、１２は連絡管をそれぞれ示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 通気管の管壁に２つの開口部が対向する位置に
    設けられ、一方の開口部に発光素子および他方の
    開口部に受光素子がそれぞれパージ用スペースブ
    ロツクを介して接続され、該パージ用スペースブ
    ロツクにパージガスの給気孔が設けられてなるこ
    とを特徴とする粉塵検知器。
JP3325589U 1989-03-27 1989-03-27 Pending JPH02124535U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3325589U JPH02124535U (ja) 1989-03-27 1989-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3325589U JPH02124535U (ja) 1989-03-27 1989-03-27

Publications (1)

Publication Number Publication Date
JPH02124535U true JPH02124535U (ja) 1990-10-15

Family

ID=31536775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3325589U Pending JPH02124535U (ja) 1989-03-27 1989-03-27

Country Status (1)

Country Link
JP (1) JPH02124535U (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1019764A (ja) * 1996-07-03 1998-01-23 Tokyo Met Gov Gesuido Service Kk 濃度計測装置
JPWO2004005900A1 (ja) * 2002-06-07 2005-11-04 協和醗酵工業株式会社 粉体濃度測定器及びこの粉体濃度測定器を用いた粉体噴霧量自動制御システム
JP2007025385A (ja) * 2005-07-19 2007-02-01 Ricoh Co Ltd 粉体搬送装置及び画像形成装置
JP2014196950A (ja) * 2013-03-29 2014-10-16 三菱重工業株式会社 レーザ計測装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495688A (ja) * 1972-05-08 1974-01-18
JPS49117088A (ja) * 1973-03-09 1974-11-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495688A (ja) * 1972-05-08 1974-01-18
JPS49117088A (ja) * 1973-03-09 1974-11-08

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1019764A (ja) * 1996-07-03 1998-01-23 Tokyo Met Gov Gesuido Service Kk 濃度計測装置
JPWO2004005900A1 (ja) * 2002-06-07 2005-11-04 協和醗酵工業株式会社 粉体濃度測定器及びこの粉体濃度測定器を用いた粉体噴霧量自動制御システム
JP2007025385A (ja) * 2005-07-19 2007-02-01 Ricoh Co Ltd 粉体搬送装置及び画像形成装置
JP4675705B2 (ja) * 2005-07-19 2011-04-27 株式会社リコー 粉体搬送装置及び画像形成装置
JP2014196950A (ja) * 2013-03-29 2014-10-16 三菱重工業株式会社 レーザ計測装置

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